How can we limit artifacts caused by rotation in fiber photometry?

We are trying to run fiber photometry experiments for long time scales, but we get these sinusoidal artifacts that come up. We think they may be caused by twisting of the fiber optic subject...

25 February 2021 568 1 View

Which one is better for storing energy: Fuels synthesized from CO2 or Hydrogen?

Based on educated guesses, which one of the following promises a better future for storing energy for grid scale, automobiles etc as opposed to batteries: 1) Fuels synthesized form CO2 2)...

02 February 2021 8,741 6 View

What is the best way to create a Vector file for any figure?

Some journals ask for a vector file for the figures/diagrams submitted for the article. What is the best way to create a vector file from your Microsoft Excel chart?

01 February 2021 6,344 2 View

Aluminium has quality standards of scraches and cupping etc?

Our company made railway car body with AL. And there are some scratches and cupping. I don't know whether there is a quality standard of it or not. ex) Depths of scratches have to be less than...

12 August 2020 4,498 2 View

How can I simulate a DOS attack in 5G?

I have been using NetSim simulator and now I want to try to simulate a DOS attack in 5G. Can someone guide me on the best way to implement this in NetSim?

27 May 2020 9,187 6 View

What are your views about the flooded AI research in the community?

The current overwhelming AI research reminds me the wave of nano research during 1990s. Too many nano researchers could not find jobs. Currently, many nano researchers are changing their research...

19 March 2020 3,173 14 View

How Can I do Natural Convection?

In my model I'm doing plastic extrusion simulation with motion of nozzle simultaneously. So material is flowing continuously and when material comes out of nozzle I want to add convection and...

15 August 2019 8,685 4 View

Does anyone know of an instrument that can be used to test the number of Behavioral Addictions (BA) in an individual?

The Shorter PROMIS Questionnaire (SPQ) would have been perfect for my research, but I cannot seem to find a way to contact anyone who could approve the use of such instrument. I am looking for an...

18 February 2019 2,070 3 View

How to prepare deoxyhemoglobin by nitrogen bubbling?

I prepared deoxyhemoglobin by mixing a few drops of Stokes' reagent into a certain concentration of oxyhemoglobin solution. The deoxyHb was confirmed by UV-vis spectroscopy. I also tried to use...

20 December 2018 6,221 7 View

How do I properly store a reusable PDMS microfluidic device?

Our microfluidic devices are highly reusable because we reversibly seal them to glass slides each time we use them instead of irreversibly sealing. This allows us to peel the device off and remove...

19 September 2018 2,993 3 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

Why do my MCFs not form monolayer?

Hello, I am looking for some expertise on culturing MCF7s. I purchased them from ATCC and I have been following all media and culture conditions. Media is EMEM with 10% FBS and 10ug/mL of...

27 February 2021 3,904 2 View

What's the concentration recommend for recombinant protein use in western blotting?

I'm currently working having problem with the concentration for recombinant protein use in western blot, the one been used is Recombinant Human CD19 Fc Chimera Protein-rndsystem which does not...

24 February 2021 8,514 3 View

Are there lab markers/pens resistant to Roti-Histol?

Hi, I'm looking for a pen/marker to write on the smooth, transparent (non-frosted) part of microscopy slides which does not get washed away by alcohols and most importantly Roti-Histol. I want to...

24 February 2021 9,902 5 View

I have a problem with kanamycin - why the kanamycin doesn't affect?

Hi everyone, I need to expression of GFP with pET28 plasmid in E. coli BL21(DE3) plysE. Transformed cells have kanamycin and chloramphenicol resistance. Normally, only transformed cells should...

22 February 2021 4,032 4 View

How does elongation affect the resistance of an electrode?

What are the testing rate for electrodes recommended by ASTM for cochlear implants. I am currently doing the 15mm/min elongatio testing.

22 February 2021 1,515 1 View

Resistivity of PVD TiNx thin films vs. N2 flow?

In the PVD of TiN thin films (~100A), I've found the resistivity of the TiN films dropped from ~100 to 60um*cm with N2 flow increasing up to the metallic mode ending point; then the resistivity...

21 February 2021 1,864 2 View

Where can the fault diagnosis data set of lithium battery be found?

Most of the data sets on the network only contain good information about the voltage and internal resistance of lithium batteries. The data of faulty battery is missing. Who can help me, I will be...

21 February 2021 8,659 1 View